FASM[1] is quite good, particularly its macro system, and the Windows version includes a minimal IDE. FASM and MenuetOS[2] are both written entirely in FASM. [

FASM[1] is quite good, particularly its macro system, and the Windows version includes a minimal IDE. FASM and MenuetOS[2] are both written entirely in FASM. [1]: http://flatassembler.net/ http://flatassembler.net/ [2]: http://menuetos.net/ http://menuetos.net/